Selectivizr – CSS3 pseudo-class and attribute selectors for IE 6-8
PNG8 – The Clear Winner

Yay, Fireworks! Yay, PNG8!

5 Easy Ways to Tackle IE6’s Transparency Issues – NETTUTS

The fix I’ve been using isn’t ideal, so I need to try one of these.

Working with Background PNGs and Internet Explorer 6 – Monday By Noon

Background PNGs and links don’t play nicely together in IE6. The no-position/position fix worked for me. Now hopefully I’ll remember to read it next time, too!

IEBlog : IE6 and IE7 Running on a Single Machine

Very handy virtual machine image for web testing.